AirHint found the following cheapest return flights from Sao Paulo (GRU) to Porto (OPO) in August 2026 (see full year).

Return flights

09 Aug - 31 Aug	Air Europa
04 Aug - 01 Sep	Air Europa
04 Aug - 21 Aug	Air Europa
05 Aug - 19 Aug	Air Europa
11 Aug - 18 Aug	Air Europa
09 Aug - 21 Aug	Air Europa
02 Aug - 31 Aug	Air Europa
04 Aug - 13 Aug	Air Europa
09 Aug - 20 Aug	Air Europa
08 Aug - 01 Sep	Air Europa
04 Aug - 25 Aug	Air Europa
08 Aug - 03 Sep	Iberia
19 Aug - 09 Sep	British Airways
08 Aug - 18 Aug	Iberia
07 Aug - 02 Sep	Air Europa
14 Aug - 12 Sep	British Airways
16 Aug - 03 Sep	Iberia
15 Aug - 03 Sep	Iberia
11 Aug - 09 Sep	British Airways
28 Aug - 12 Sep	British Airways

Also check the deals for one-way flights from Sao Paulo to Porto in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sao Paulo to Porto in August from $759

Return flights